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Mutu wobowola zitsime IADC126 mainchesi 3 7/8 (98.4mm) wa miyala yolimba
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Fakitale yobowola zitsime IADC126 mainchesi 17 1/2 (444.5mm)
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Fakitale ya Tricone bit IADC126 mainchesi 26 (660mm)
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Mutu wobowola chitsime cha API IADC126 mainchesi 7 1/2 (190.5mm)
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Chobowolera chozungulira chotsekedwa IADC126 mainchesi 9 7/8 (250mm)
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Wopereka ma tricone drill bits IADC126 mainchesi 12 1/4 (311mm) obowolera zitsime
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Wogulitsa Milled Tooth Bits IADC126 mainchesi 4.5 (114mm)
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API drill bts factory IADC126 4 3/4 mainchesi (120mm)
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API Ma cones atatu IADC126 mainchesi 4 5/8 (118mm) obowolera zitsime
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Ma drill bits opangidwa ndi API IADC126 mainchesi 5 1/4 (133mm) a miyala yolimba
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Ma tricone bits obowolera zitsime ali m'sitolo IADC126 6inches (152mm)
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API Tricone drill bit IADC126 mainchesi 9.5 (241mm) yogulitsa